DELL SAS HARD DISK

Storage Capacity (formatted)⁽¹⁾

73.5 GB

147.0 GB

300.0 GB

Disks

1

2

4

Heads (read/write)

2

4

8

Bytes/Sector

512

Seek Time

Track to track

Read: 0.2 ms (typ) / Write: 0.4 ms (typ)

Average

Read: 3.4 ms (typ) / Write: 3.9 ms (typ)

Full track

Read: 8.0 ms (typ) / Write: 9.0 ms (typ)

Average latency time

2.00 ms

Rotational speed (RPM)

15,000

Areal density

112.8 Gbits/sq. in.

Data Transfer Rate

To/from media

179 MB/sec

To/from host

SAS: 3Gb/sec, SCSI: 320MB/sec, FCAL: 4Gb/sec

Recording code

60/62 MEEPRML

Interface

Dual Port SAS (RC Series), SCA-2 80Pin (NC Series), 68Pin Wide (NP Series), Dual Port FCAL (FC series)

Head positioning method

Rotary VCM

Start Time

30 s (typ)

Stop Time

30 s (typ)

Buffer Size⁽²⁾

SCSI

8 MB

SAS, FC

16 MB

Power Requirements

Voltage

5 V � 5%, 12 V � 5%

Spin-up

12V � 5% @ 2.5A (peak)
3.0 A (peak < 100 us)
5V � 5% @ 0.8 A

Idle (typ.)

SAS

12.8 W

SCSI

12.4 W

FC

13.4 W

Dimensions (HxWxD)

25.4 mm x 101.6 mm x 146.0 mm

Weight (HxWxD)

800 g

Ambient Temperature

Operating

5�C to 55�C (HDD surface 60�C max)

Non-operating

-40�C to 70�C

Gradient

20�C/Hour (max)

Relative Humidity

Operating

5% to 95% (non-condensing)

Non-operating

5% to 95% (non-condensing)

Max. wet bulb

29�C (operating)

Vibration

Operating

0.6 mm (5 to 20 Hz) / 1.0 G (20 to 300 Hz)

Non-operating

3.1 mm (5 to 20 Hz) / 5.0 G (20 to 300 Hz)

Shock

Operating

65 G max. (2 ms)

Non-operating

250 G max. (2 ms)

Altitude (operation)

Operating

3,048 m (max.)

Non-operating

12,192 m (max.)

Acoustic Noise (idle sound power) (typ.)

</= 3.6 bels (idle)

Mean time between failures (MTBF)

1,400,000 hours

Error Rates

Unrecoverable errors

1 per 10¹⁵ bits read

Seek errors

10 per 10⁸ seeks